COLUMN I | COLUMN II | ||
A. | Transfer of sperms into the female genital tract | P. | Fertilisation |
B. | Embryonic development | Q. | Insemination |
C. | Attachment of blastocyst to the uterine wall | R. | Gestation |
D. | Fusion of male and female gametes | S. | Implantation |
A | B | C | D | |
1. | P | Q | R | S |
2. | R | Q | S | p |
3. | Q | R | S | P |
4. | S | P | R | Q |
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I: | Umbilical cord consists of two umbilical veins and one umbilical artery. |
II: | Yolk sac is the site of earliest erythropoiesis during foetal life. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
Statement I: | (a) is released from the ovary during ovulation and has a secondary oocyte. |
Statement II: | (b), (c), and (d) show cleavage divisions, and (e) is morula. |
Statement III. | (g) is blastocyst and (h) shows implantation. |
1. | Only Statement I |
2. | Only Statement I and Statement III |
3. | Only Statement II and III |
4. | Statement I, Statement II, and Statement III |
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I. | A prevents polyspermy. |
II. | B is the space where the polar body is released. |
III. | Cells in this region secrete progesterone. |
1. | Only I | 2. | Only I and II |
3. | Only II and III | 4. | I, II, and III |
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Statement I: | The dramatic increase in E is responsible for ovulation. |
Statement II: | F makes the uterine endometrium highly nutritive and ready for the implantation of the blastocyst. |
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Statement I: | C is secreted in large amounts by the corpus luteum and is called the pregnancy hormone. |
Statement II: | D is responsible for the development of secondary sexual characters in females. |
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Statement I: | A is also called as secretory phase and is the phase of the menstrual cycle where the follicle matures into a Graafian follicle. |
Statement II: | B is the luteal phase and is the phase when the uterine endometrium regenerates through proliferation. |
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A | B | C | D | E | |
1. | First meiotic division | Second Meiotic division | 23 | First polar body | Second polar body |
2. | Mitosis and differentiation | First meiotic division | 23 | First polar body | Secondary polar body |
3. | First meiotic division | Second Meiotic division | 46 | First polar body | Second polar body |
4. | Mitosis and differentiation | First meiotic division | 46 | First polar body | Secondary polar body |
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1. | B and C | 2. | B and D |
3. | A and E | 4. | C and E |
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A | B | C | |
1. | Mammary duct | Lactiferous duct | Ampulla |
2. | Lactiferous duct | Ampulla | Mammary duct |
3. | Ampulla | Mammary duct | Lactiferous duct |
4. | Mammary duct | Ampulla | Lactiferous duct |
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